Calvin Butler is president and chief executive officer of Exelon, the nation’s largest utility company by customer count, serving 10.5 million electric and gas customers in New Jersey, Maryland, Illinois, Delaware, Pennsylvania and the District of Columbia, through six local electric and natural gas companies. Butler serves on Exelon’s Executive Committee and is a member of the company’s Board of Directors.

Prior to being named CEO at the end of 2022, Butler was president and chief operating officer of Exelon with responsibilities for Exelon’s six local energy companies: Atlantic City Electric, BGE, ComEd, Delmarva Power, PECO and Pepco. Butler also served as CEO of BGE from 2014 to 2019. Previous roles at the company include senior vice president of Corporate Affairs at BGE and vice president of Governmental and Legislative Affairs at ComEd.

Before joining Exelon in 2008, Butler held senior leadership roles with the print, digital and supply chain solutions company R.R. Donnelley. Butler spent his early career with Central Illinois Light Company (CILCORP, Inc.), where he worked in government affairs, legal and strategy.

Butler earned a bachelor’s degree from Bradley University in Peoria, Ill., and a Juris Doctor degree from Washington University School of Law in St. Louis, Mo. He received honorary doctorates from Morgan State University in 2014 and Delaware State University in 2024.